Bed



FIG. 1 is a perspective view of a bed showing my new design, the mattress shown in dotted lines;

FIG. 2 is a right side view of the bed of FIG. 1, the opposite side being a mirror image;

FIG. 3 is a top plan view of the bed of FIG. 1; and,

FIG. 4 is a front elevational view of the bed of FIG. 1.

The inside of the footboard not shown is not part of the claimed design. The broken lines are for environmental purposes and form no part of the claimed design. 

The ornamental design for a bed, as shown and described. 